package org.gongliang.config;

import org.springframework.boot.autoconfigure.web.BasicErrorController;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import com.google.common.base.Predicate;

import springfox.documentation.RequestHandler;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

@Configuration
@EnableSwagger2
public class Swagger2Config {

	@Bean
	public Docket createRestApi() {
		Predicate<RequestHandler> predicate = new Predicate<RequestHandler>() {
			@Override
			public boolean apply(RequestHandler input) {
				Class<?> declaringClass = input.declaringClass();
				if (declaringClass == BasicErrorController.class)// 排除
					return false;
				if (declaringClass.isAnnotationPresent(RestController.class)) // 被注解的类
					return true;
				if (input.isAnnotatedWith(ResponseBody.class)) // 被注解的方法
					return true;
				return false;
			}
		};
		return new Docket(DocumentationType.SWAGGER_2).groupName("api").forCodeGeneration(true).pathMapping("/")
				.apiInfo(apiInfo())
				.useDefaultResponseMessages(false).select().apis(predicate).build();
	}

	private ApiInfo apiInfo() {
		return new ApiInfoBuilder().title("jsmile后台管理系统接口文档")// 大标题
				.version("1.0")// 版本
				// .contact(new Contact("jsmile",
				// "http://git.oschina.net/miniLiang", "411400580@qq.com"))
				.build();
	}

}